16596-4117 B 1839 AB
16h 59m 35.57s -41° 17' 08.1" P.A. 133.00 sep 0.2 mag 8.36,9.58 Sp F5/6IV dist. 476.19 pc (1553.33 l.y.)
Coord 2000 |
16596-4117 |
|
Discov num |
B 1839 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 59 35.57 -41 17 08.1 |
|
Date first |
1931 |
|
Date last |
2021 |
|
Obs |
11 |
|
Pa first |
149 |
|
Pa last |
133 |
|
P.A. Now (θ) |
133° |
|
Sep first |
0.2 |
|
Sep last |
0.211 |
|
Sep. Now (ρ) |
0.211" |
|
Mag pri |
8.36 |
|
Mag sec |
9.58 |
|
delta mag (ΔM) |
1.22 |
|
Spectral class |
F5/6IV (yellow-white) |
|
Pri motion ra |
-036 |
|
Sec motion ra |
|
|
Pri motion dec |
-052 |
|
Sec motion dec |
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Notes |
O
(Orbital solution) |
|
This double is physical.
16596-4117 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
227531 |
16 59 36 -41 17 08 |
B 1839 AB |
2021 |
11 |
133 |
0.2 |
8.36 |
9.58 |
1.22 |
Y |
<=== |
Show |
HD 153157 |
227531 |
16 59 36 -41 17 08 |
B 1839 AB,C |
2016 |
9 |
326 |
8.6 |
8.00 |
11.18 |
3.18 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Scorpius |
|
SAO |
227531 |
|
HIP |
83155 |
|
Tycho2 |
7876-02412-1 |
|
Gaia DR2 |
5966602691129161856 |
|
HD |
153157 |
|
CD |
CD-4111145 |
|
CP |
CP-41 7799 |
|
Distance |
476.19 |
|
Distance ly |
1553.33 |
|
ORBITAL ELEMENTS
Period (P) | 87.5y | |
Periastron (T) | 1961.4y | |
Semi-major axis (a) | 0.172a | |
Eccentricity (e) | 0.36 | |
Inclination (i) | 180° | |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 348.7° | |
Notes | | |
Reference | Tok2020g | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
179.5 |
0.232 |
2001 |
177.3 |
0.232 |
2002 |
175.3 |
0.233 |
2003 |
173.2 |
0.234 |
2004 |
171.1 |
0.234 |
2005 |
169.0 |
0.234 |
2006 |
166.9 |
0.234 |
2007 |
164.9 |
0.234 |
2008 |
162.8 |
0.233 |
2009 |
160.7 |
0.233 |
2010 |
158.6 |
0.232 |
2011 |
156.5 |
0.231 |
2012 |
154.3 |
0.230 |
2013 |
152.2 |
0.229 |
2014 |
150.0 |
0.227 |
2015 |
147.8 |
0.226 |
2016 |
145.5 |
0.224 |
2017 |
143.2 |
0.222 |
2018 |
140.9 |
0.220 |
2019 |
138.5 |
0.217 |
2020 |
136.1 |
0.215 |
2021 |
133.6 |
0.212 |
2022 |
131.0 |
0.209 |
2023 |
128.4 |
0.206 |
2024 |
125.7 |
0.203 |
2025 |
122.9 |
0.200 |
2026 |
120.0 |
0.196 |
2027 |
117.0 |
0.193 |
2028 |
113.9 |
0.189 |
2029 |
110.6 |
0.185 |
2030 |
107.2 |
0.181 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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